Renesas UPG2151TK-E2-A

Overview

UPG2151TK-E2-A from Renesas Electronics is a GaAs MMIC single-pole double-throw (SPDT) RF switch designed for L- and S-band signal routing in mobile transceivers. It operates from 0.5 to 3.0 GHz with typical insertion loss of 0.30 dB at 0.5–1.0 GHz, 25 dB isolation at same band, and supports dual-control voltage switching (1.8–5.3 V high / −0.2–+0.2 V low) for antenna or path selection in compact wireless modules.

For engineers reviewing the UPG2151TK-E2-A datasheet, UPG2151TK-E2-A pinout, UPG2151TK-E2-A application, or UPG2151TK-E2-A equivalent, this page delivers verified electrical specs, truth table behavior, package mechanical data, real-world RF performance curves, and validated alternative options for L/S-band front-end design.

Technical Context

The UPG2151TK-E2-A implements a monolithic GaAs-based SPDT architecture with two independent control terminals (Vcont1, Vcont2) enabling complementary switching states-low Vcont1 + high Vcont2 routes RF from INPUT to OUTPUT2, while high Vcont1 + low Vcont2 routes to OUTPUT1. Its internal DC-blocking capacitor integration (56 pF recommended) eliminates external bias chokes but mandates careful PCB layout for impedance matching across 0.5–3.0 GHz.

Designed for surface-mount deployment in space-constrained RF front ends, the device features 6-pin lead-less minimold (1.5 × 1.1 × 0.55 mm) packaging with GND on Pin 2 and symmetric RF I/O placement (Pins 1, 3, 5). Switching speed is 1.0 μs (50% CTL to 90/10% RF), and it sustains +21.0 dBm 0.1-dB compression input power at 2.0 GHz under nominal bias.

Key Specifications

Pinout & Package

The UPG2151TK-E2-A uses a 6-pin lead-less minimold (1511) package measuring 1.5 mm × 1.1 mm × 0.55 mm, optimized for high-density RF surface mounting with exposed thermal pad (GND-connected) on bottom side.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar SPDT RF switch applications.

Compared with UPG2151TK-E2-A, QM11036 offers broader bandwidth and lower voltage compatibility but demands PCB redesign, while SKY13350-374LF trades isolation and frequency coverage for simpler 3.3 V control and larger package tolerance-making UPG2151TK-E2-A optimal for L/S-band space-constrained designs needing balanced RF performance and logic flexibility.

Availability

UPG2151TK-E2-A is available at Aetrix Electronics and suitable for LTE handset antenna switching, Wi-Fi 2.4 GHz diversity receivers, Bluetooth/Wi-Fi coexistence modules, and ISM band wireless sensor transmitters requiring stable component supply and long-term production continuity.

Supply support for UPG2151TK-E2-A includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics Corporation is a global semiconductor leader delivering microcontrollers, analog, power, and RF solutions for automotive, industrial, and consumer applications.

The UPG2151TK-E2-A belongs to Renesas' GaAs MMIC RF switch product line, engineered specifically for compact, high-efficiency L- and S-band front-end signal routing in mobile and wireless infrastructure equipment.

FAQ

What is the absolute maximum input power rating for UPG2151TK-E2-A?

The UPG2151TK-E2-A has an absolute maximum input power rating of +26 dBm per the datasheet's Absolute Maximum Ratings table. This limit applies at TA = +25°C and must not be exceeded even momentarily to prevent permanent GaAs die damage. For reliable operation, the recommended 0.1 dB compression point is +21.0 dBm at 2.0 GHz, which defines its usable linear power range. Always verify thermal derating at elevated ambient temperatures in final system layout.

Does UPG2151TK-E2-A require external DC blocking capacitors?

Yes, the UPG2151TK-E2-A requires external DC blocking capacitors on all RF ports (INPUT, OUTPUT1, OUTPUT2) as stated in the datasheet caution note. The recommended value is 56 pF, selected to maintain impedance match and switching integrity across 0.5–3.0 GHz. Using values outside the <100 pF range may degrade return loss or increase switching transient ringing. The device itself contains no integrated DC blocking elements.

What is the thermal resistance (θ_JA) of UPG2151TK-E2-A?

The UPG2151TK-E2-A datasheet does not specify junction-to-ambient thermal resistance (θ_JA). However, its 6-pin lead-less minimold package relies on soldered GND pad (Pin 2) for thermal conduction; effective θ_JA depends entirely on PCB layout-minimum 4 thermal vias under the exposed pad and ≥1 cm² internal ground plane are required to achieve <120°C/W. No guaranteed θ_JA value is provided by Renesas for this device.

Can UPG2151TK-E2-A operate with 1.8 V control logic?

Yes, UPG2151TK-E2-A supports 1.8 V as a valid high-level control voltage (Vcont(H) min = 1.8 V), confirmed in the Recommended Operating Range table. At 1.8 V, it achieves full RF performance including 0.30 dB insertion loss and 25 dB isolation in the 0.5–1.0 GHz band. No level-shifting circuitry is needed when interfacing with 1.8 V FPGA or baseband IC GPIOs, simplifying low-voltage system design.

Is UPG2151TK-E2-A qualified for automotive applications?

No, UPG2151TK-E2-A is classified as a "Standard" quality grade device per Renesas documentation, intended for computers, communications equipment, and consumer electronics-not automotive systems. It lacks AEC-Q200 qualification, extended temperature validation beyond −45°C to +85°C, or failure rate data required for automotive use. For automotive-grade SPDT switches, consult Renesas' dedicated automotive RF portfolio or qualified alternatives.